2.1.5 Guest Network Connectivity

Has anyone see guest network connectivity issues on Oracle VM 2.1.5 Server? This seems to happen occasionally on many of our boxes - seems to be guests that have been up over 100 days. We found two fixes to restore network connectivity -
1. Reboot guest
2. Save/Restore Guest.
There is no traffic on the guest however the HV seems fine. Other guests on the same hypervisor seem fine as well. Just completely random. Guest OS doesn't seem to be the problem since we've had different OS with the same problem. It seems like the bridge just fails. We are using bonding and vlans on the HV. No error messages in any logs. The Link Detected: yes is still on in the failed guest - no packets can pass and on the physical switch port the MAC for the Guest is gone.
Has anyone else seen this? We haven't seen this in 2.2 yet but we haven't had too many guests up on 2.2 for that long. We've had two guests this week drop off the network.
I've opened a SR on metalink as well.
-Scoleri

First I want to make sure I understand what you are trying to do. You have, for lack of a better word, "trusted" clients on the AEBS on the main wireless network and "untrusted" clients on the AEBS's Guest network.
You want to be able to access the untrusted clients, from the trusted. And you checked the "Allow guests network clients to communicate....." box.
If you check out the help in the AU for that box it says:
"If you want to allow guest computers to communicate with each other, make sure sharing services are set up on the client computers. Select the wireless device in AirPort Utility and click Manual Setup. Click AirPort in the toolbar, click Guest Network, and then select “Allow guest network clients to communicate with each other.”
I would take this check box to mean that intercommunication between clients connecting on the guest network is possible. Not to make a "firewall" like rule saying clients on the trusted side can talk to clients on the untrusted side.
I wonder if the previous version of firmware had the bug (that allowed the communication) was correct in 7.5.2?
Maybe a call to AppleCare is warranted to find out?
Also, if you feel this is an actual bug, then you can also sign up on ADC (its free) and file a bug.

Similar Messages

Airport Guest Network - Connects but no internet

I'm using and Airport Extreme Base Station (A1354), software version 7.6.4. The secure networks are fine and work perfectly to serve up an internet connection.
However, the guest network (which is currently set to no password) connects just fine but no internet is provided. I've tried everything I can click on to get it to work but nada. I've rebooted, naturally, as well as removed the guest network and created new ones with new names and passwords as well as no password versions.
Can anyone help?

The most common cause of Guest Network issues is trying to connect the AirPort Extreme to a modem/router or gateway type of device, when it needs to connect to a simple modem. A simple modem will always have only one Ethernet port.
Click on the Network tab and check the setting for Router Mode. If it is set to "Off (Bridge Mode)" you have the AirPort connected to a modem/router or gateway type of device that is both a modem and router in the same package.
The Guest Network cannot operate correctly in the "Off (Bridge Mode)" setting......but at the same time this is the correct setting for your AirPort Extreme to work with your modem/router or gateway device. Kind of a Catch 22.
If the Guest Network feature is important to you. ask your ISP if they can provide you with a simple modem.....not a modem/router or gateway. Or, ask your ISP if it is possible to reconfigure the modem/router to act as a only a modem. If it is, the Guest Network feature will work correctly once the device has been setup to operate only as a modem.

WRT1900AC Guest Network connection time limit

I think this is a fresh topic.
I have searched for this, but can't find any prior topics.
I upgraded from a Cisco branded E4200 (v1) to a Linksys WRT1900AC.
I have noticed that the guest network for the 1900AC kicks devices off after a period of time I have not managed to determine, despite them not being disconnected from the network. The device will simply tell me that a hotspot is detected and asks me to sign in. I have to open the browser and enter the password again. This is particularly annoying for work devices on the guest network that use VPN, as I have to get that running as well.
The E4200 I had before kept guests connected as long as they were on the network; only disconnecting them or taking them out of range for more than a day required me to supply the password again.
Is this expected behaviour? I'd prefer not to be repeatedly challenged for the guest password for devices that remain connected, just like I could with the E4200.
I use the 5GHz network for all my permanently connected devices ( a mixture of fixed and dynamic IP's) and leave guests and my work devices to the guest network on 2.4GHz (all dynamic IP's). I have things spaced out well in my home as I had run into issues with interference caused to my Sonos system, which I have eliminated by moving my 2.4GHz connected equipment. The physical layout is the same from when I had my E4200 and my 1900AC, so I'm confident it isn't a physical issue.
My 2.4GHz network has its SSID hidden to discourage people from using it.

How many total guests allowed did you set on your router? Make sure that the total number of devices connecting to the Guest network would match the total guests allowed.

Windows 7 Hyper V Guest Network Connectivity

Hello (I posted this question over in the Microsoft VM Converter forum, not sure if that's the right place)
I am using Hyper-V Manager in Server 2012 R2 and have created guest vm's that are Windows 8 and Windows 10. All work fine and can connect to the network and have internet access (this is a dev environment). However, when I create a Windows
7 guest, it does not pickup an IP from DHCP and I cannot get it to connect at all. Ive tried the following:
1. Installed Integration Services setup.
2. Used both legacy and non legacy network adapters.
3. Uninstalled/reinstalled HyperV network adapter in guest OS
4. Disabled IPv6 in guest OS.
5. Set static IP address in guest OS and reserved in DNS.
6. Manually assigned DNS server in guest OS.
I then tried to create a guest Win7 OS on my Windows 8.1 host and experience the same issue, no connectivity. In both instances I get a 169.254.x.x. address. Is this some issue with Win7 and the latest Hyper-V version? As I mentioned Windows
8, 8.1, and 10 work just fine.
Thanks.

Hi Marshal21,
>>However, when I create a Windows 7 guest, it does not pickup an IP from DHCP and I cannot get it to connect at all.
In vm settings please ensure that the Windows7 VM connects to the correct external virtual switch .
If there is VLAN setting you also need to check VLan in VM settings .
Also you may try to download a new Win7 ISO and test again.
Best Regards
Elton Ji
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Using an airport extreme in both bridged mode and guest network with DHCP

I currently use a third-generation airport extreme in bridge mode to connect my various Mac servers To the Internet. I'm using bridge mode on the AirPort Extreme because I have up to five static IP address (only using three now) I am currently not using the wireless network, and none of the servers are serving DHCP. I am looking at the Newer airport extreme with guest network Wi-Fi. My question is, does the new airport extreme base station support bridge- mode for any devices and host DHCP for the guest network connecting wirelessly to the base station?

The AirPort Extreme cannot be in Bridge Mode and support a Guest Network.
The AirPort must be configured to provide DHCP and NAT services if you want to enable the Guest Network function.
If you really do have a 3rd Gen AirPort Extreme, it will support the Guest Network feature if you connect the AirPort directly to a simple modem.....not a modem/router or gateway type of devices.......and configure the AirPort to provide DHCP and NAT services for the network.

How can I create a guest network on an airport extreme that connects wirelessly with a Timecapsule

I have a Timecapsule in one place of our house, that is connected to Internet. I need to extend the range of my network: 1. my private network needs to get to a remote location to make connection with speakers (Itunes). for this I need to first extend the range of my private network, because the speakers are too far away from the TC. 2. I need to set up a guest network, but at quite some distance from my TC, in an other part of the house, too far away from the TC (so a guest network on the TC won't do).
For this, upon advice from an apple store, I bought an airport extreme, which I have placed on a location where it can connect to the TC, to extend the private network. On the location of the speakers, I have an aiport express (connecting to the extreme), to play music from Itunes. The setup at this moment is: TC makes connection to internet, and broadcasts a private network. Extreme connects to this private network, and broadcasts it further to the Airport express, that captures it and plays the music. I would now like to create a guest network on the Airport Extreme, while this Extreme keeps on connecting to the private network of the TC and keeps on broadcasting it to the Express. Is this possible? How can I do this? Thanks for the help !

I would now like to create a guest network on the Airport Extreme, while this Extreme keeps on connecting to the private network of the TC and keeps on broadcasting it to the Express. Is this possible?
Unfortunately, the "main" router...your TC in this case....is the only device that can create a Guest Network, assuming that the TC is connected to a simple modem.
Unfortunately again, the Guest Network cannot be extended. Your only real option here is to create a Guest Network on the TC and hope that it will have sufficient coverage for your needs.

My wifi network connection is not working, will read "unable to join". Am able to access as a guest. When I hit the blue arrow on the right hand side of my network there is no information e.g ip address, subnet mask, etc. This info is in my guest area.

My network has not been working today. When I click on it it says "unable to access nhe network". My guest network will work. When I hit the blue arrow on the right hand side of my network there is no information in the IP address, subnet mask, router, etc. There is information in my guest section when I checked. I have unplugged and replugged my router and turned my Wifi button of and off, started and restarted my Ipod as per internet suggestions. Would anyone know how to get my network reactivated. I am nervous to hit reset network settings in case I lose all my music and icons, etc. added since I got my Ipod. Thank you for any assistance

Do other devices now connect?
Did the iPod connect before?
What encryption/security is the router using?
Try:
- Reset the iOS device. Nothing will be lost
Reset iOS device: Hold down the On/Off button and the Home button at the same time for at
least ten seconds, until the Apple logo appears.
- Power off and then back on the router
- Reset network settings: Settings>General>Reset>Reset Network Settings
- iOS: Troubleshooting Wi-Fi networks and connections
- iOS: Recommended settings for Wi-Fi routers and access points
- Restore from backup. See:
iOS: How to back up
- Restore to factory settings/new iOS device.
- Make an appointment at the Genius Bar of an Apple store.
Apple Retail Store - Genius Bar

My new iphone4 connected to the internet fine at the store today, but will not connect to my wifi at home - it sees the guest network, but does not give me a place to enter the password

I just got a new iphone 4 (my first one) and the internet worked great at the store, as well as in the parking lot at the grocery store on the way home - yes I was playing with it! Anyway, now that I'm home and the store is closed, it won't connect to my home wifi. It sees the guest network, but it doesn't give me place to put in the password, so I'm not sure if that's why it won't work. Also, I don't know what settings to put in for the screen that comes after the network choice screen - it has IP Addresses with DHCP, BootP, and Statis (I don't know what any of these are or mean!) It also has a 'renew lease' button that I have no idea what to do with, and it has a section with HTTP proxy that is highlighted "off" but also has 'manual' and 'auto' options - maybe these are not set correctly?
Very frustrating that there is no manual, and the website doesn't really help with this at all. Thanks so much!

If you look at the top left of your screen you will either see a 3G (or 4G if you have AT&T) or you will see the wi-fi symbol. If you don't see the wi-fi symbol you are connecting to Gmail through your cellular data plan, not via wi-fi.
To answer your question, it doesn't happen often but when it does the steps I mentioned above will normally resolve it. Hopefully you won't have any further problem with this.

Cannot connect to secure guest network

My company is pushing more of our work content to the iPad2 via internet connection to databases, etc. I work in a hospital as a vendor. The hospital has a guest network setup that requires authentication by providing your email address and accepting their terms and conditions. For a few months I had no issues connecting with the company provided iPad2. For the last month, I have not been able to get connected. I can work on my 3G connection, but most places I go in the hospital do not allow a 3G connection. The iPad sees the guest network, and is connected as indicated by the blue check mark. Additionally, my Android phone and Windows XP laptop connect with no problem.
The information the ipad is pulling from the router is:
IP Address: 172.22.80.149
Subnet mask: 255.255.255.0
Router: 172.22.80.4
DNS: 192.168.16.8
IP address is set to DHCP. HTTP Proxy is OFF. Auto-join and Auto-login are both on. I've tried it with Auto-login turned off too. The error message I get in Safari is: 'Cannot verify server identity. Safari cannot verify the identity of "securelogin.arubanetworks.com".'
I've tried forgetting the network and renewing the lease. I've tried resetting network settings. The hospital's IT department doesn't provide support. Currently my company's IT department is baffled.
The iPad is running iOS v5.0.1. Ipod touch CAN get connected by seeing the authorization screen, agreeing to terms and providing email.
Can anyone please help?!

Scott, welcome to the discussions!
First make sure your Radio Mode is set to "802.11n (802.11b/g compatible). The titanium powerbook is probably a "g" or "b" device so you need this setting for compatibility.
Sounds like the titanium powerbook cannot handle WPA/WPA2 security settings. Try WEP and see if that will work.
WEP is not nearly as secure, but you may need to accept that compromise if you want the titanium powerbook to work on the network.
Post back on your progress.

Solution for Windows 7 can not connect to Time Capsule Guest network

Problem: Sony Vaio running Windows 7 (64bit) will not connect to my Time Capsule Guest network
For added security, I set up a guest network at home. My friend brought over a Vaio and was unable to get an internet connection via my Guest network. The Vaio connected to the Time Capsule with no problem, with full bars, but was not able to get on the internet.
After way too many hours going through useless online suggestions and even calling Apple tech support to see if there might be a known compatibility issue (where I was told they had no idea and I should call Mr Softy) I discovered that the Vaio had somehow set itself to use the DNS Server address of the Time Capsule, main network, not the guest network. (ie Main network uses 10.1...., Guest uses 172.1....) so once I set the Vaio to Obtain DNS server address automatically it fixed the problem and connected to the internet via the Guest network.
Detailed solution:
Configure Time Capsule Guest as follows:
Network Name: fill in the blank
Allow Guest Network to communicate: left unchecked
Guest Network Security: WPA/WPA2 Personal
Password: fill in the blank
Configure Vaio:
Set up new connection from the Network and Sharing center using the name given to Guest network
(for password chose WPA2-Personal>AES>then your Guest Password)
Select Manage wireless networks from left column in main Network and Sharing center window
Select Adapter Properties
Click on Internet Protocol Version 4 (TCP/IPv4) to highlight it, and Select Properties
Make sure both Obtain an IP address automatically and Obtain DNS server address automatically are selected then OK & go back to Network and Sharing center
Connection is active.
Hope this helps those condemned to playing system admin for their windows brethren

Great post!
Here are a couple of more methods to add to your bag of tricks:
Method #1: Use Win7's built-in diagnostics to remedy network maladies
• Start > Start Search > type in: ncpa.cpl <Enter>
• Select current active connection.
• Click Diagnose this connection
• Select Reset the network adapter
Method #2: Use the ipconfig tool to renew the DHCP-provided IP address information
• Start, then click Run, and then, type: cmd, and then, press <enter>
• At the prompt, enter the following commands; press <enter> after entering each one:
ipconfig /release
ipconfig /renew

Loss of network connectivity at random times to guests and now hosts Server 2012 R2 Hyper-v on Dell R620...Guests virtual disks reside on a NAS.

We have set up 2 Hyper-v environments (Server 2012 R2 fully updated) on Dell R620's. The guest machines are configured do that they reside on a NAS (also a Dell R620 with server 2012). We are having an issue on both the environments where the guests will
lose network connectivity. The servers ran well for about 4 weeks and recently the guests started having issues and we have even had to reboot the host due to network connectivity problems.
We have 4 virtual switches set up. 1 connected to its own NIC. 1 for management and the 3 others for guests.
The 3 for guests are not configured to allow host OS sharing.
We do not have IP addresses on the NICS for the guests. Only on the management port. (all 1 GB NICS)
We have updated the firmware and drivers for the standard Broadcom Netxtreme cards.
We do not have Jumbo frames enabled because of some issues with switching compatability.
I've seen articles recommending to turn off TCP offloading and to disable virtual machine queues. Is this best practice?
Any thoughts of where I might look to help diagnose this issue?

Hi ,
"1 connected to its own NIC. 1 for management and the 3 others for guests."
Also you mentioned that : " is only hosting these 24 VMs ".
First please try to disable the RSS in the property of the NICs for guests .
Then run powershell " Get-NetAdapterVMQ " to check the parameter "NumberOfReceiveQueues" (NumberOfReceiveQueues – The number of queues that the NIC has available to use and assign to VMs,
the host and a default queue) .
If I understand correctly ,when you enable VMQ the number of connected VMs on that NIC should not be more than the value of "NumberOfReceiveQueues" -2 .
For details please refer to following link:
http://blogs.technet.com/b/networking/archive/2013/09/10/vmq-deep-dive-1-of-3.aspx
Hope this helps
Best Regards
Elton Ji
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Connecting to guest network with iPhone ios5

After upgrading to iOS 5 my iPhone doesn´t work on the guest network on my Time Capsule (It connects, but internet won´t work). The reason seems to be that the assigned IP is not in the range defined for the guest network (but rather in the ip-range for my main network). Both my Macs and ipads get the right ip-address. I`ve tried this with 3 different iphones.
All phones worked on the guest network before upgrading, and still works when I connect to my main wi-fi network.

Did you perform a full power cycle and reset of your modem as follows?
Push the reset button on the modem
Power off the modem
Pull the battery if it is easily accessible
Power down all other devices on your network, order is not important
Wait 30 minutes ( It sometimes takes even longer for the equipment back at the cable company to fully reset so that it will issue you a totally new fresh connection. The cable company will never admit this.)
Reinstall the battery if you pulled it from the modem
Power up the modem and let it run by itself for 3-4 minutes
Start up the AirPort Extreme and let it run for 3-4 minutes so that it will fully associate with the modem
Start each device up on the network one at a time about a minute apart
Check for operation.

Airport express max connections w/guest network?

I am the network admin at a medium sized church. I want to setup 5 airport express routers our building. The private network has a windows server that will act as the dhcp server and i will be enabling the guest network as a public wifi network for a parishioners and guests. I know the max number of users is spec’d at 50 so my questions are as follows: 1 does the 5 user spec actually hold up? 2: does only apply if the airport express is acting as a dhcp server or if it is just passing ip addresses through? 3: does the 50 connections include the guest network as well as the main/private or is it 50 for the main and 50 for the guest?

Sorry, no. That model Express can't create a "guest network". To do that you will need a current production model Express, or recent model Extreme or Time Capsule.

Can I use the guest network on a AE connected to a Cisco RV180?

I have not been able to connect to the guest network on my AE with a Cisco RV180 as the gateway. I read in an older post that the guest network my not work on all equipment, that it must be connected to a "simple" modem. Just want to find out if the Cisco is compatable.

The AirPort Express does need to connect to a simple modem in order for the Guest Network feature to work correctly.
According to Cisco the RV180 is a VPN Router, so it would not be compatible with the AirPort Express for the purpose that you ask about.
Cisco RV180 VPN Router Data Sheet [Cisco Small Business RV ...

2008 r2 hyper-v guest with static IP always looses network connectivity after every restart - no problem with DHCP

Hello,
We are running 2008 R2 domain with one physical DC and other running in VM on Hyper-V host (2008 R2 Standard). The host has 4 NICs and is configured to use one physical NIC for itself (management) and the hyper-v guest is configured to use another dedicated/physical
NIC (through microsoft virtual switch) just for itself.
I noticed that after setting the hyper-v guest with a static IP address all works fine only until guest restart. When the guest boots up the IP address is still configured correctly in IPv4 properties, but there is no network connectivity at all and in fact
the guest shows running APIPA config in ipconfig /all output. That situation continues until I remove the virtual NIC from hyper-v guest, remove the virtual switch from dedicated NIC on host and then reconfigure it (using same settings as they were). very
annoying.
For time being I switched the virtual DC (problematic hyper-v guest) to a DHCP IP and configured DHCP server (running on physical DC machine, not on hyper-v host) to store a reservation for the hyper-v guest so it always gets the same "static"
IP configuration.
Is there some kind of a problem/bug with using static IP on (2008 R2) hyper-v guests? is there a hotfix for static IP config in hyper-v guest environment?
both 2008 R2 OSes (host and guest) are up to date with all updates (synced with Microsoft, not WSUS).

OK, I'm not at the office now, but took my time to test out the restart scenarios on problematic virtual guest remotely.
No dice, same as it was, everything works fine after guest has IP configured in DHCP mode (IP reservation of 192.168.1.5 for specific MAC address) and it doesn't work after restart in static IP mode (same address, works before restart of guest).
I also took "arp -a" outputs at each step from host server and that was always saying there is only a single host (192.168.1.5 = VDC = problematic virtual guest) assigned to that IP address and always with same MAC, so that pretty much rules out
ARP/MAC troubles and no issues with switches/routers getting spoofed. Problem is most likely with the virtual guest (WS2008R2) or within the host running same OS.
Here are outputs:
A) VDC has IP configured in DHCP mode - always same, survives through restart (all works)
Ethernet adapter Local Area Connection:
Connection-specific DNS Suffix . : CD.lan
Description . . . . . . . . . . . : Microsoft Virtual Machine Bus Network Adapter
Physical Address. . . . . . . . . : 00-15-5D-01-D3-00
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::b9af:6679:3142:8799%13(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.1.5(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : Thursday, January 30, 2014 5:34:48 PM
Lease Expires . . . . . . . . . . : Friday, February 07, 2014 5:35:26 PM
Default Gateway . . . . . . . . . : 192.168.1.254
DHCP Server . . . . . . . . . . . : 192.168.4.5
DHCPv6 IAID . . . . . . . . . . . : 268440925
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-1A-6F-5F-C2-00-15-5D-01-D3-00
DNS Servers . . . . . . . . . . . : 192.168.1.5
192.168.4.5
NetBIOS over Tcpip. . . . . . . . : Enabled
ARP -a output from host server at that time:
Interface: 192.168.1.4 --- 0xc
Internet Address Physical Address Type
192.168.1.5 00-15-5d-01-d3-00 dynamic
B) VDC has IP configured in static mode - BEFORE RESTART (all works)
Ethernet adapter Local Area Connection:
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft Virtual Machine Bus Network Adapter
Physical Address. . . . . . . . . : 00-15-5D-01-D3-00
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::b9af:6679:3142:8799%13(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.1.5(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.1.254
DHCPv6 IAID . . . . . . . . . . . : 268440925
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-1A-6F-5F-C2-00-15-5D-01-D3-00
DNS Servers . . . . . . . . . . . : 192.168.1.5
192.168.4.5
NetBIOS over Tcpip. . . . . . . . : Enabled
ARP -a output from host server at that time:
Interface: 192.168.1.4 --- 0xc
Internet Address Physical Address Type
192.168.1.5 00-15-5d-01-d3-00 dynamic
C) VDC has the same IP configured in static mode - AFTER RESTART (no more network connectivity at all, LAN in Public zone)
Windows IP Configuration
Host Name . . . . . . . . . . . . : VDC
Primary Dns Suffix . . . . . . . : CD.lan
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
DNS Suffix Search List. . . . . . : CD.lan
Ethernet adapter Local Area Connection:
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft Virtual Machine Bus Network Adapter
Physical Address. . . . . . . . . : 00-15-5D-01-D3-00
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::b9af:6679:3142:8799%13(Preferred)
Autoconfiguration IPv4 Address. . : 169.254.135.153(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.0.0
Default Gateway . . . . . . . . . : 192.168.1.254
DHCPv6 IAID . . . . . . . . . . . : 268440925
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-1A-6F-5F-C2-00-15-5D-01-D3-00
DNS Servers . . . . . . . . . . . : 192.168.1.5
192.168.4.5
NetBIOS over Tcpip. . . . . . . . : Enabled
ARP -a output from host server at that time:
Interface: 192.168.1.4 --- 0xc
Internet Address Physical Address Type
192.168.1.5 00-15-5d-01-d3-00 dynamic
Throughout the testing, the hyper-v host IP configuration and IPconfig output was always staying same.
The Network Connection #2 is the only one the host uses (not shared with hyper-v guests).
The Network Connection #4 is assigned to Microsoft Virtual Switch hence why it doesn't show up in results, like below:
Windows IP Configuration
Host Name . . . . . . . . . . . . : HYPER-V
Primary Dns Suffix . . . . . . . : CD.lan
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
DNS Suffix Search List. . . . . . : CD.lan
Ethernet adapter Local Area Connection 3:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : HP Ethernet 1Gb 4-port 331i Adapter #3
Physical Address. . . . . . . . . : 9C-8E-99-52-15-91
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Ethernet adapter Local Area Connection 2:
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : HP Ethernet 1Gb 4-port 331i Adapter #2
Physical Address. . . . . . . . . : 9C-8E-99-52-15-90
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::dc78:8a3b:38a5:7af3%12(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.1.4(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.1.254
DHCPv6 IAID . . . . . . . . . . . : 312250009
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-1A-67-52-8F-9C-8E-99-52-15-93
DNS Servers . . . . . . . . . . . : 192.168.4.5
192.168.1.5
NetBIOS over Tcpip. . . . . . . . : Enabled
Ethernet adapter Local Area Connection:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : HP Ethernet 1Gb 4-port 331i Adapter
Physical Address. . . . . . . . . : 9C-8E-99-52-15-93
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
On Monday I will install more test guests in Hyper-V host (WS2008R2), in variety of flavors like 7x64, 8.1x64, ws2012r2, and see if they show similar problems with static IP configuration when utilizing a dedicated NIC from host server.
Don't get me wrong, I can live with virtual DC running on DHCP IP reservation (which is based on MAC), because the virtual DC pretty much requires a physical PDC (hosting also DHCP in my network) to be present for safety reasons ... however I prefer a static
IP configuration on all servers, hence my question and surprise why it doesn't work.

2.1.5 Guest Network Connectivity

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